Distance between knee anatomic landmarks and the joint line in Chinese people: measurement and characteristic analysis

doi:10.3969/j.issn.2095-4344.2015.46.007

Abstract

Abstract:

BACKGROUND: It is important to maintain the height of joint line in total knee arthroplasty or renovation. Foreign scholars have reported the parameters of the distance from different landmarks to knee joint line, but there is still a lack of relevant data for Chinese people.
OBJECTIVE: To explore the relationships of the knee anatomic landmarks and joint line in normal Chinese, thereby providing clinical evidence for primary total knee replacement and knee renovation.
METHODS: Totally 746 normal knee joints of 409 healthy volunteers from North China and Southwest China were randomly enrolled, including 214 males and 195 females, with a mean age of 37.7 years. CT scan was used to reconstruct the three-dimensional knee joint, and the distance between the anatomic landmarks and the joint line was measured using Mimics software.
RESULTS AND CONCLUSION: The distance from the center of femoral medial sulcus to the joint line was (25.72±2.52) mm. The distance from the center of lateral femoral condyle prominence to the joint line was (26.30±2.65) mm. The distance from the adduction muscle tubercle to the joint line was (44.60±4.32) mm. The distance from the peak of the tibial tubercle to the joint line was (21.50±3.57) mm. These parameters in male group were significantly higher than those in female group (P < 0.05). In conclusion, these findings provide
anatomic evidence for the recovery of joint line in knee replacement or renovation; the variability of the distance from the center of femoral medial sulcus, lateral femoral condyle prominence and adductor tubercle to the joint line is smaller, and therefore, these landmarks have more reference values in total knee arthroplasty.
中国组织工程研究杂志出版内容重点：组织构建；骨细胞；软骨细胞；细胞培养；成纤维细胞；血管内皮细胞；骨质疏松；组织工程

Key words: Arthroplasty, Replacement, Knee, Osteoarthritis, Anatomy, Comparative, Radiometry, Tomography, Spiral Computed, Tissue Engineering

Chen Tong, Qu Tie-bing, Pan Jiang, Lin Yuan, Wang Zhi-wei, Ren Shi-xiang, Wen Liang, Zhang Bo, Zhou Lei, Ma De-si . Distance between knee anatomic landmarks and the joint line in Chinese people: measurement and characteristic analysis[J]. Chinese Journal of Tissue Engineering Research, 2015, 19(46): 7413-7418.

Figures/Tables 5

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